New research reveals that almost 3 million people in Yorkshire and Humber are still at risk from carbon monoxide poisoning. In many cases, this is likely to be because people mistakenly think that their smoke alarm will detect carbon monoxide.
The research comes on the day that carbon monoxide alarms become compulsory in new homes in Northern Ireland.
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Patients and carers have come together to ask candidates in the upcoming General Election how they plan to improve the NHS.